# PDF Reader vs Black Hawk Security Services

The clearest difference is in-app purchases: Black Hawk Security Services at none against PDF Reader's 3. Black Hawk Security Services also leads on update cadence (weekly vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $0.99 per 7 days. Black Hawk Security Services asks for nothing beyond the download.

PDF Reader ships an update every 5 months, Black Hawk Security Services weekly. Both last shipped on October 7, 2026.

## The numbers

| Metric | PDF Reader | Black Hawk Security Services |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (13 ratings)](https://appshunter.io/ios/app/pdf-reader-all-pdf-viewer/id6448699108/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 5 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sagar Rudani](https://appshunter.io/developer/1663592356) | [Taren Hanna](https://appshunter.io/developer/1804674439) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-all-pdf-viewer/id6448699108)

Easily view and manage all your PDF files on your mobile device. This app offers offline access, dark mode, and convenient file management features for efficient document handling.

**Highlights:** Offline PDF viewing, Dark mode support, File management, Bookmark pages, Search and copy text, Share files easily

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly   1 Week | $0.99 | per 7 days |
| Monthly   1 Month | $2.99 | per month |
| Remove Ads for 1 year | $14.99 | per year |


### Black Hawk Security Services

[App page](https://appshunter.io/ios/app/black-hawk-security-services/id6743806831)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

PDF Reader is free to download, with in-app purchases available.

### Is Black Hawk Security Services free?

Black Hawk Security Services is free to download, with no in-app purchases.

### Do PDF Reader or Black Hawk Security Services have ads?

Neither PDF Reader nor Black Hawk Security Services shows ads.

### Which is updated more often, PDF Reader or Black Hawk Security Services?

PDF Reader ships an update every 5 months, and Black Hawk Security Services weekly. Most recently, PDF Reader was updated on October 7, 2026 and Black Hawk Security Services on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*